EP0590239A1 - Construction de raccords de tuyau pour un cadre de bicyclette - Google Patents

Construction de raccords de tuyau pour un cadre de bicyclette Download PDF

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Publication number
EP0590239A1
EP0590239A1 EP93109007A EP93109007A EP0590239A1 EP 0590239 A1 EP0590239 A1 EP 0590239A1 EP 93109007 A EP93109007 A EP 93109007A EP 93109007 A EP93109007 A EP 93109007A EP 0590239 A1 EP0590239 A1 EP 0590239A1
Authority
EP
European Patent Office
Prior art keywords
extensions
tube
joint portion
disposed
pipe joining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP93109007A
Other languages
German (de)
English (en)
Other versions
EP0590239B1 (fr
Inventor
Ching-Dong Pai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PAI CHING DONG
Original Assignee
PAI CHING DONG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PAI CHING DONG filed Critical PAI CHING DONG
Publication of EP0590239A1 publication Critical patent/EP0590239A1/fr
Application granted granted Critical
Publication of EP0590239B1 publication Critical patent/EP0590239B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/02—Cycle frames characterised by material or cross-section of frame members
    • B62K19/16—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly of plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/18—Joints between frame members
    • B62K19/28—Means for strengthening joints
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/45—Flexibly connected rigid members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/45—Flexibly connected rigid members
    • Y10T403/455—Elastomer interposed between radially spaced members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/45—Flexibly connected rigid members
    • Y10T403/455—Elastomer interposed between radially spaced members
    • Y10T403/456—Elastomer encompasses shoulder on inner member
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/54—Flexible member is joint component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1376—Foam or porous material containing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23—Sheet including cover or casing
    • Y10T428/233—Foamed or expanded material encased

Definitions

  • the present invention relates to a pipe joining construction, and more particularly to a pipe joining construction of a bicycle frame.
  • a typical pipe joining construction of a bicycle frame is disclosed in U.S. Patent No. 4,856,800 to Hashimoto et al., filed Apr. 26, 1988; in this patent, the covering body is made from SMC which includes plastic and chopped fibers. Obviously, the SMC is simply adhered to the lug and the pipe and applies no force against the lug and the pipe. In addition, the fibers should be chopped such that the fibers are not continuous and such that the strength of the fibers is thus greatly decreased.
  • the present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional pipe joining constructions.
  • the primary objective of the present invention is to provide a pipe joining construction of a bicycle frame in which the insert and the covering body apply forces against the bicycle frame such that the tubes of the bicycle frame can be solidly coupled together.
  • a pipe joining construction comprising a tube body including at least two extensions extended therefrom, a tube member engaged to and coupled to each of the extensions of the tube body by such as force-fitted engagement so as to form a joint portion, an insert disposed in each of the tube member and extended inwards of the respective extensions, each of the insert including an envelope having a foamable material disposed therein, a covering body including an outer layer wrapping around the joint portion and a foamable material disposed between the outer layer and the joint portion, the foamable materials applying forces against the tube members and the extensions so as to solidly couple the tube members and the extensions together.
  • a typical bicycle frame comprises a down tube 10 and a top tube 12 coupled at one end by a head tube 21, a seat tube 14 coupled between the down tube 10 and the top tube 12 at a hub 22 and a coupling portion 23 respectively, a chain stay 16 and a seat stay 18 coupled at one end by a connecting portion 24, the chain stay 16 also coupled to the hub 22 and the seat stay 18 also coupled to the coupling portion 23.
  • the pipe joining construction of the bicycle frame in accordance with the present invention is provided to couple the down tube 10, the top tube 12, the seat tube 14, the chain stay 16 and the seat stay 18 together respectively.
  • the pipe joining construction of the hub 22 comprises a tube body 22 including three extensions 220 extended outward therefrom for coupling to the down tube 10, the seat tube 14 and the chain stay 16 respectively, each of the extensions 220 includes an annular flange 221 extended therefrom, and an annular shoulder 11 is formed in each of the down tube 10, the seat tube 14 and the chain stay 16 for engagement with the annular flanges 221 of the extensions 220 respectively, by such as force-fitted engagement or the like.
  • each of the inserts 30 includes an envelope 31 formed by a plurality of plies of resin-impregnated unidirectional graphite fiber sheets or other composite materials, such as glass fibers, boron fibers, etc., each of the inserts 30 further includes foamable materials 32 disposed in the envelope 31, and made of such as PU, E.V.A. ... etc.
  • a covering body includes an outer layer 40 covering the outer peripheral portion of the joint portion of the tube body 22 and the down tube 10 and the seat tube 14, and a foamable material 41 disposed in the joint portion and covered or wrapped by the outer layer 40, the joint portion is formed or shaped by hot-pressing processes in a mold 90. It is important that the foamable materials are foamed and expanded during hot-pressing processes, such that the foamable materials apply a force against the tubes of the joint portion, and such that the tubes can be solidly coupled together.
  • the head tube portion 21 of the bicycle frame also includes a tube body 21 having two extensions 210 extended outward therefrom, each of the extensions 210 having an annular flange 211 extended outward therefrom for engagement with the annular shoulder 11 of the down tube 10 and the top tube 12.
  • an insert 30 is disposed in each of the down tube 10 and the top tube 12 and extended inwards of the respective extensions 210 and includes an envelope 31 having a foamable material 32 disposed therein, and a covering body includes an outer layer 40 wrapped around the outer peripheral portion of the head tube portion 21 and a foamable material 41 disposed therein.
  • the foamable materials 32 and 41 are also foamed during hot-pressing processes such that the foamable materials apply forces against the joint portion and such that the tubes of the joint portion can be solidly coupled together.
  • the outer layer 40 is formed by continuous fiber materials such that the strength of the fiber materials is maintained and will not be decreased.
  • the pipe joining construction in accordance with the present invention does not need welding processes or adhering processes, such that the pipe joining construction is good for coupling or securing any kind of tubes or pipes together, i.e., tubes or pipes of various kinds of materials, such as aluminum alloy, composite materials, steel, iron, titanic alloy, etc.
  • the foamable materials form an excellent shock absorption materials which absorb the shocks or vibrations transmitted to the bicycle frame, such that the riders may feel more comfortable.
  • the pipe joining construction in accordance with the present invention includes an insert and a covering body which apply forces against the bicycle frame such that the tubes of the bicycle frame can be solidly coupled together.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
EP93109007A 1992-09-26 1993-06-04 Construction de raccords de tuyau pour un cadre de bicyclette Expired - Lifetime EP0590239B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN92112054 1992-09-26
CN92112054.0A CN1085173A (zh) 1992-09-26 1992-09-26 自行车架及制法
US08/015,656 US5318819A (en) 1992-09-26 1993-02-09 Pipe joining construction of a bicycle frame

Publications (2)

Publication Number Publication Date
EP0590239A1 true EP0590239A1 (fr) 1994-04-06
EP0590239B1 EP0590239B1 (fr) 1996-01-03

Family

ID=25742811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93109007A Expired - Lifetime EP0590239B1 (fr) 1992-09-26 1993-06-04 Construction de raccords de tuyau pour un cadre de bicyclette

Country Status (7)

Country Link
US (1) US5318819A (fr)
EP (1) EP0590239B1 (fr)
JP (1) JPH06340283A (fr)
CN (1) CN1085173A (fr)
DE (1) DE69301218T2 (fr)
DK (1) DK0590239T3 (fr)
ES (1) ES2081661T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0685386A1 (fr) * 1994-06-02 1995-12-06 Pai, Chin-dong Raccordement pour radiateur transformable pour systèmes à conduite unique ou à conduites doubles
EP1840021A3 (fr) * 2002-07-12 2010-09-01 Specialized Bicycle Components, Inc. Ensemble de fourche avant de bicyclette
US8454044B2 (en) 2010-04-07 2013-06-04 Specialized Bicycle Components, Inc. Bicycle damping system
US8540267B1 (en) 2012-03-23 2013-09-24 Specialized Bicycle Components, Inc. Bicycle damping system
US20190176927A1 (en) * 2017-12-07 2019-06-13 Honda Motor Co., Ltd. Swing arm for saddle riding vehicle

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5842711A (en) * 1994-11-16 1998-12-01 Bird S.A. Bicycle frame
US5853651A (en) * 1995-09-07 1998-12-29 Simula, Inc. High pressure hollow process for manufacturing composite structures
WO1998015404A1 (fr) * 1996-10-08 1998-04-16 Rcc Regional Compact Car Ag Piece moulee en plastique et structure de construction
DE19648164C2 (de) * 1996-11-21 2000-01-27 Karmann Gmbh W Karosserieteil, insbesondere Profilrahmenträger
US6623067B2 (en) * 1997-10-16 2003-09-23 Magna International Inc. Door seal interface structure for a motor vehicle space frame
US6186581B1 (en) * 1998-08-10 2001-02-13 Honda Giken Kogyo Kabushiki Kaisha End member for a hollow structural piece on a vehicle, and method of using same
DE10149522A1 (de) * 2001-10-08 2003-04-10 Bayer Ag Kunststoff-Metall-Verbundbauteil für Rahmenkonstruktionen
US20050009710A1 (en) * 2002-01-31 2005-01-13 Halliburton Energy Services Reactive sealing compositions for sealing hydrocarbon containing subterranean formations and methods
US20040061302A1 (en) * 2002-09-25 2004-04-01 Parlee Cycles, Inc. Techniques for making carbon fiber bicycle frames
US6994379B2 (en) * 2003-04-03 2006-02-07 Lanxess Corporation Tubular assembly having an internal plug
GB2401085B (en) * 2003-04-29 2005-08-17 Gibbs Tech Ltd Vehicle body construction
US7251915B2 (en) * 2004-09-10 2007-08-07 Pullman Industries, Inc. Frame system for motor vehicle
CN1322969C (zh) * 2004-12-22 2007-06-27 厦门新凯复材科技有限公司 自行车车架的成型方法
US7597338B2 (en) * 2005-08-26 2009-10-06 Giant Manufacturing Co., Ltd. Bicycle frame with multiple layer tube
CN102079355A (zh) * 2010-12-10 2011-06-01 厦门新凯复材科技有限公司 一种减重复材自行车勾爪
JP5728269B2 (ja) * 2011-03-31 2015-06-03 本田技研工業株式会社 電動アシスト自転車
US9797257B2 (en) 2012-12-10 2017-10-24 General Electric Company Attachment of composite article
US9777579B2 (en) 2012-12-10 2017-10-03 General Electric Company Attachment of composite article
JP2017024650A (ja) * 2015-07-27 2017-02-02 亞獵士科技股▲ふん▼有限公司 自転車のパイプ構造
ITUA20163846A1 (it) * 2016-05-26 2017-11-26 Ego Cycles S R L Metodo di fabbricazione di un telaio di una bicicletta e bicicletta realizzata con detto metodo
CN106741418A (zh) * 2016-11-16 2017-05-31 何响明 具有一体成型车架结构的自行车
WO2020198143A1 (fr) * 2019-03-25 2020-10-01 Zephyros, Inc. Mousse expansive double pour la fabrication d'un composite à moule fermé

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464876A1 (fr) * 1979-09-06 1981-03-20 Prieur Henri Cadre de bicyclette
US4856800A (en) * 1987-11-11 1989-08-15 Araya Industrial Co., Ltd. Pipe joining construction of a bicycle frame
US4902160A (en) * 1989-02-14 1990-02-20 Giant Manufacturing Co., Ltd. Joint for a bicycle frame
EP0404017A1 (fr) * 1989-06-19 1990-12-27 Nippon Steel Corporation Procédé pour la production d'un cadre de bicyclette en matière plastique renforcée par fibres
WO1992022750A1 (fr) * 1991-06-12 1992-12-23 Time Sport International Procede d'assistance au collage pour la liaison d'un element tubulaire et d'une piece de raccordement, assemblage ainsi realise et cadre de bicyclette utilisant un tel assemblage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8117517U1 (de) * 1981-06-13 1982-04-08 Fa. Ernst Kleinebenne, 4811 Leopoldshöhe Fahrradrahmen
JPH01102089U (fr) * 1987-12-28 1989-07-10

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464876A1 (fr) * 1979-09-06 1981-03-20 Prieur Henri Cadre de bicyclette
US4856800A (en) * 1987-11-11 1989-08-15 Araya Industrial Co., Ltd. Pipe joining construction of a bicycle frame
US4902160A (en) * 1989-02-14 1990-02-20 Giant Manufacturing Co., Ltd. Joint for a bicycle frame
EP0404017A1 (fr) * 1989-06-19 1990-12-27 Nippon Steel Corporation Procédé pour la production d'un cadre de bicyclette en matière plastique renforcée par fibres
WO1992022750A1 (fr) * 1991-06-12 1992-12-23 Time Sport International Procede d'assistance au collage pour la liaison d'un element tubulaire et d'une piece de raccordement, assemblage ainsi realise et cadre de bicyclette utilisant un tel assemblage

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0685386A1 (fr) * 1994-06-02 1995-12-06 Pai, Chin-dong Raccordement pour radiateur transformable pour systèmes à conduite unique ou à conduites doubles
EP1840021A3 (fr) * 2002-07-12 2010-09-01 Specialized Bicycle Components, Inc. Ensemble de fourche avant de bicyclette
US8454044B2 (en) 2010-04-07 2013-06-04 Specialized Bicycle Components, Inc. Bicycle damping system
US8678416B2 (en) 2010-04-07 2014-03-25 Specialized Bicycle Components, Inc. Bicycle damping system
US8540267B1 (en) 2012-03-23 2013-09-24 Specialized Bicycle Components, Inc. Bicycle damping system
US20190176927A1 (en) * 2017-12-07 2019-06-13 Honda Motor Co., Ltd. Swing arm for saddle riding vehicle
US11072387B2 (en) * 2017-12-07 2021-07-27 Honda Motor Co., Ltd. Swing arm for saddle riding vehicle

Also Published As

Publication number Publication date
EP0590239B1 (fr) 1996-01-03
JPH06340283A (ja) 1994-12-13
US5318819A (en) 1994-06-07
CN1085173A (zh) 1994-04-13
DE69301218D1 (de) 1996-02-15
DK0590239T3 (da) 1996-04-22
DE69301218T2 (de) 1996-05-15
ES2081661T3 (es) 1996-03-16

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